The map above shows Montana and Pennsylvania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Pennsylvania Geography
Land area
- Montana has a land area of 145,550 square miles (376,973 km²), while Pennsylvania has 44,742 square miles (115,882 km²).
- Montana's land area is 3.3 times (225%) larger than Pennsylvania's.
Total area
- Montana: 147,043 square miles (380,840 km²) vs Pennsylvania: 46,054 square miles (119,279 km²), including inland and coastal water.
- Montana's total area is 3.2 times (219%) larger than Pennsylvania's.
Length
- Montana is 319 miles (514 km) long from north to south; Pennsylvania is 284 miles (458 km).
- Montana's north-south length is 1.1 times (12%) longer than Pennsylvania's.
Width
- Montana spans 607 miles (976 km) east to west; Pennsylvania spans 307 miles (495 km).
- Montana's east-west width is 2.0 times (98%) wider than Pennsylvania's.
Highest point
- Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Pennsylvania's is Mount Davis at 3,210 feet (978 m).
- Granite Peak is 9,557 feet higher than Mount Davis.
Lowest point
- Montana's lowest point is Kootenai River at 1,805 feet; Pennsylvania's is Delaware River at 0 feet.
- Pennsylvania's lowest point is 1,805 feet lower.
Montana vs Pennsylvania Population and History
Population
- Montana has a population of 1,137,233 (2024), while Pennsylvania has 13,078,751 (2024).
- Pennsylvania's population is 11.5 times larger than Montana's.
Population density
- Montana: 7.8 people per square mile vs Pennsylvania: 292.3.
- Pennsylvania's population density is 37.5 times higher than Montana's.
Biggest city
- Montana's biggest city is Billings with 121,483 people; Pennsylvania's is Philadelphia with 1,573,916.
- Philadelphia's population is 13.0 times larger than Billings'.
Largest metro area
- Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Pennsylvania's Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422).
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 32.9 times larger than Billings, MT metro area's.
History
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- Pennsylvania: Admitted to the Union on December 12, 1787, as the 2nd state.
- In its current form, Pennsylvania is the older of the two by 102 years.
Montana vs Pennsylvania Economy
GDP
- Montana's GDP is $78.4 billion (2024) vs Pennsylvania's $1,007.9 billion.
- Pennsylvania's economic output is 12.9 times larger than Montana's.
GDP per capita
- Montana: $68,975 per person vs Pennsylvania: $77,062.
- Pennsylvania's GDP per capita is 1.1 times (12%) higher than Montana's.
Average income
- Montana: $69,240 vs Pennsylvania: $70,678 average income per person (per capita personal income).
- Montana and Pennsylvania have about the same average income.
Montana vs Pennsylvania Counties
Number of counties
- Montana has 56 counties, while Pennsylvania has 67.
- Pennsylvania's county count is 1.2 times (20%) higher than Montana's.
Biggest county by area
- Montana's largest county is Beaverhead County at 5,543 square miles; Pennsylvania's is Lycoming County at 1,229 square miles.
- Beaverhead County's land area is 4.5 times (351%) larger than Lycoming County's.
Smallest county by area
- Montana: Silver Bow County (718 sq mi) vs Pennsylvania: Montour County (130 sq mi).
- Silver Bow County's land area is 5.5 times (451%) larger than Montour County's.
Most populous county
- Montana: Yellowstone County (171,583 people) vs Pennsylvania: Philadelphia County (1,573,916 people).
- Philadelphia County's population is 9.2 times (817%) larger than Yellowstone County's.
Least populous county
- Montana: Petroleum County (525 people) vs Pennsylvania: Cameron County (4,348 people).
- Cameron County's population is 8.3 times (728%) larger than Petroleum County's.
Richest county
- Montana: Gallatin County ($94,573 per capita income) vs Pennsylvania: Chester County ($110,883).
- Chester County's income is 1.2 times (17%) richer than Gallatin County's.
Poorest county
- Montana: Blaine County ($37,554 per capita income) vs Pennsylvania: Forest County ($30,234).
- Blaine County's income is 1.2 times (24%) richer than Forest County's.
Montana vs Pennsylvania Taxes
State income tax
- Montana has a top income tax rate of 5.65%, while Pennsylvania has a top income tax rate of 3.07%.
- Montana's top rate is 2.58 percentage points higher.
Property tax
- Montana: 0.69% effective rate vs Pennsylvania: 1.16% of home value per year.
- Pennsylvania's rate is 0.47 percentage points higher.
Sales tax
- Montana: 0% combined state and average local rate vs Pennsylvania: 6.34%.
- Pennsylvania's combined rate is 6.34 percentage points higher.
Official Websites
Montana official website · Pennsylvania official website
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More Size Comparisons
All Montana size comparisons · All Pennsylvania size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.